Multiplex communications – Wide area network – Packet switching
Patent
1994-09-08
1995-09-26
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370112, H04J 312
Patent
active
054539897
ABSTRACT:
A subscriber digital transmission system has a central office terminal and a remote terminal coupled to the central office terminal by a digital line, the remote terminal accommodating a plurality of subscribers. The system includes a communication unit for transmitting a multiple signal via the digital line between the central office terminal and the remote terminal, information being multiplexed in a plurality of time slots in the multiple signal, and a multiplexer for multiplexing information for the subscribers and performance information in accordance with a time-division multiprocessing so that the performance information is assigned to a predetermined time slot of the multiple signal to be transmitted by the communication unit.
REFERENCES:
patent: 4245340 (1981-01-01), Landry
patent: 4551830 (1985-11-01), Huffman
patent: 4759009 (1988-07-01), Casady et al.
patent: 4858224 (1989-08-01), Nakano et al.
patent: 5060226 (1991-10-01), Gewin et al.
patent: 5265089 (1993-11-01), Yonehara
Kitayama Seiji
Matsumoto Hiroyuki
Shimose Eiji
Fujitsu Limited
Olms Douglas W.
Patel Ajit
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